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Individual
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Individual
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Priority to ES1975217395UpriorityCriticalpatent/ES217395Y/en
Publication of ES217395UpublicationCriticalpatent/ES217395U/en
Application grantedgrantedCritical
Publication of ES217395YpublicationCriticalpatent/ES217395Y/en
Improved pouring plug that being with a filling cannula obturable by means of a screw cap, is essentially characterized in that one of the mouthpieces of said cannula has an external flange that sits frontally against the neck of the drum or similar concerned interposition of a sealing gasket formed by a u-section element in whose hollow the aforementioned walloon is fitted, having anticipated the competition of a sleeve in which there is an internal thread portion to be adjusted by this means to the neck of the drum or similar pressing axially on the flange of the cannula through the aforementioned sealing gasket, there being, in turn, in this sleeve another externally threaded upper portion where it threads a plug that, optionally, can directly seal the drum when applied to the neck of this after withdrawal of the cannula and cuff respectively. (Machine-translation by Google Translate, not legally binding)